Start if needed and provide a proxy to a named singleton
Start if needed and provide a proxy to a named singleton
If there already is a manager running for the given singletonName
on this node, no additional manager is started.
If there already is a proxy running for the given singletonName
on this node, an ActorRef to that is returned.
A cluster global unique name for this singleton
A proxy actor that can be used to communicate with the singleton in the cluster
This class is not intended for user extension other than for test purposes (e.g. stub implementation). More methods may be added in the future and that may break such implementations.